Function RtlUpcaseUnicodeToOemN

pub unsafe extern "system" fn RtlUpcaseUnicodeToOemN(
    oemstring: PSTR,
    maxbytesinoemstring: u32,
    bytesinoemstring: *mut u32,
    unicodestring: *const u16,
    bytesinunicodestring: u32,
) -> NTSTATUS